89774604198 has 48 divisors (see below), whose sum is σ = 201601617360. Its totient is φ = 28848944448.

The previous prime is 89774604193. The next prime is 89774604217. The reversal of 89774604198 is 89140647798.

89774604198 is a `hidden beast` number, since 8 + 9 + 7 + 7 + 4 + 604 + 19 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89774604193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 545740 + ... + 690927.

It is an arithmetic number, because the mean of its divisors is an integer number (4200033695).

Almost surely, 2^89774604198 is an apocalyptic number.

89774604198 is an abundant number, since it is smaller than the sum of its proper divisors (111827013162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89774604198 is a wasteful number, since it uses less digits than its factorization.

89774604198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236821 (or 1236818 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 89774604198 in words is "eighty-nine billion, seven hundred seventy-four million, six hundred four thousand, one hundred ninety-eight".